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3142403 = 11285673
BaseRepresentation
bin1011111111001100000011
312220122120022
423333030003
51301024103
6151204055
735465345
oct13771403
95818508
103142403
111856a30
12107662b
13860414
145bb295
15421138
hex2ff303

3142403 has 4 divisors (see below), whose sum is σ = 3428088. Its totient is φ = 2856720.

The previous prime is 3142393. The next prime is 3142441. The reversal of 3142403 is 3042413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3142403 - 24 = 3142387 is a prime.

It is a super-2 number, since 2×31424032 = 19749393228818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3142453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142826 + ... + 142847.

It is an arithmetic number, because the mean of its divisors is an integer number (857022).

Almost surely, 23142403 is an apocalyptic number.

3142403 is a deficient number, since it is larger than the sum of its proper divisors (285685).

3142403 is a wasteful number, since it uses less digits than its factorization.

3142403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285684.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3142403 is about 1772.6824306683. The cubic root of 3142403 is about 146.4717802968.

Adding to 3142403 its reverse (3042413), we get a palindrome (6184816).

The spelling of 3142403 in words is "three million, one hundred forty-two thousand, four hundred three".

Divisors: 1 11 285673 3142403